/* Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 * 
 *      http://www.apache.org/licenses/LICENSE-2.0
 * 
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package org.flowable.engine.impl.bpmn.data;

/**
 * An instance of {@link PrimitiveStructureDefinition}
 * 
 * @author Esteban Robles Luna
 */
public class PrimitiveStructureInstance implements StructureInstance {

    protected Object primitive;

    protected PrimitiveStructureDefinition definition;

    public PrimitiveStructureInstance(PrimitiveStructureDefinition definition) {
        this(definition, null);
    }

    public PrimitiveStructureInstance(PrimitiveStructureDefinition definition, Object primitive) {
        this.definition = definition;
        this.primitive = primitive;
    }

    public Object getPrimitive() {
        return this.primitive;
    }

    @Override
    public Object[] toArray() {
        return new Object[] { this.primitive };
    }

    @Override
    public void loadFrom(Object[] array) {
        for (int i = 0; i < array.length; i++) {
            Object object = array[i];
            if (this.definition.getPrimitiveClass().isInstance(object)) {
                this.primitive = object;
                return;
            }
        }
    }
}
